% Y ISZERO(E)  Determine whether the GF element e is zero.
%
%   Inputs
%   
%       e   Element to be tested
%
%   Outputs
%
%       y    True if the element is zero (an empty array), false if not.
%
%   Notes
%       This function is simply a wrapper function for isempty().  It is
%       used solely to increase code readability.

function y = isZero(e)
    e = elementReduce(e);
    y = elementReduce(e) < 0;
end
